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author | Jordan Maples [MSFT] <49793787+JordanMaples@users.noreply.github.com> | 2019-10-25 11:42:01 -0700 |
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committer | GitHub <noreply@github.com> | 2019-10-25 11:42:01 -0700 |
commit | 9939d5889bc2bcde2ac17a026313d0960d6d799a (patch) | |
tree | ea41216978b60a4a50279413916e6e3ab9b4b3f7 | |
parent | 3d56ba9e7f2d61fd8c9c2a7715b46fde38c00123 (diff) | |
parent | 22cba52114afa8b5809cffd0d7925eebf7170a33 (diff) | |
download | platform_external_Microsoft-GSL-9939d5889bc2bcde2ac17a026313d0960d6d799a.tar.gz platform_external_Microsoft-GSL-9939d5889bc2bcde2ac17a026313d0960d6d799a.tar.bz2 platform_external_Microsoft-GSL-9939d5889bc2bcde2ac17a026313d0960d6d799a.zip |
Merge pull request #822 from JordanMaples/dev/jomaples/lib-byte-check
gsl_byte to inspect __cpp_lib_byte
-rw-r--r-- | include/gsl/gsl_byte | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/gsl/gsl_byte b/include/gsl/gsl_byte index 1670646..c2fc572 100644 --- a/include/gsl/gsl_byte +++ b/include/gsl/gsl_byte @@ -33,6 +33,8 @@ #include <type_traits> +// VS2017 15.8 added support for the __cpp_lib_byte definition +// To do: drop _HAS_STD_BYTE when support for pre 15.8 expires #ifdef _MSC_VER #pragma warning(push) @@ -42,15 +44,15 @@ #ifndef GSL_USE_STD_BYTE // this tests if we are under MSVC and the standard lib has std::byte and it is enabled -#if defined(_HAS_STD_BYTE) && _HAS_STD_BYTE +#if (defined(_HAS_STD_BYTE) && _HAS_STD_BYTE) || (defined(__cpp_lib_byte) && __cpp_lib_byte >= 201603) #define GSL_USE_STD_BYTE 1 -#else // defined(_HAS_STD_BYTE) && _HAS_STD_BYTE +#else // (defined(_HAS_STD_BYTE) && _HAS_STD_BYTE) || (defined(__cpp_lib_byte) && __cpp_lib_byte >= 201603) #define GSL_USE_STD_BYTE 0 -#endif // defined(_HAS_STD_BYTE) && _HAS_STD_BYTE +#endif // (defined(_HAS_STD_BYTE) && _HAS_STD_BYTE) || (defined(__cpp_lib_byte) && __cpp_lib_byte >= 201603) #endif // GSL_USE_STD_BYTE #else // _MSC_VER |